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Even Number
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Concept

Even Number

An even number is any integer that is divisible exactly by 2. In other words, an even number is a multiple of 2.
If an integer n is divided by 2 and the result k is an integer, then n is an even number.
n k Even?
-4 -2 Yes
3 1.5 No
18 9 Yes
25 12.5 No

Even numbers are usually defined as numbers n that can be written in the form n=2k, where k is an integer.

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